Home / 1,185,295.42-1,777,762.68-386,575.69

Finding the Fourth Proportional to 1,185,295.42, 1,777,762.68 and 386,575.69

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Solution

The fourth proportional to 1,185,295.42, 1,777,762.68 and 386,575.69 is: 579,804.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,295.42 : 1,777,762.68 = 386,575.69 : x
  2. Step 2: Convert to fraction form
    1,185,295.42/1,777,762.68 = 386,575.69/x
  3. Step 3: Cross multiply
    1,185,295.42x = 1,777,762.68 × 386,575.69
  4. Step 4: Simplify right side
    1,185,295.42x = 687,239,834,677.25
  5. Step 5: Solve for x
    x = 687,239,834,677.25/1,185,295.42
  6. Step 6: Final answer
    x = 579,804.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.